To a veteran horologist, "time is still a man-made invention." In his Pennsylvania workshop, he fixes its flaws. Horologist Theron "Jeff" Jeffery has been fixing clocks at his Ye Old Clock Shoppe in ...

STEVENSVILLE, Mont. — For many of us, our cell phones sprung ahead for Daylight saving time automatically. If you have an old-fashioned mechanical clock you had to adjust the hour by hand. Digital ...

The familiar tick-tock of wall clocks originates from the escapement mechanism, which controls gear movement in precise steps. While our brains perceive two distinct sounds, clocks actually produce ...